llvm-project/llvm/test/Transforms/MergeFunc/inline-asm.ll

54 lines
1.2 KiB
LLVM

; RUN: opt -mergefunc -S < %s | FileCheck %s
; CHECK-LABEL: @int_ptr_arg_different
; CHECK-NEXT: call void asm
; CHECK-LABEL: @int_ptr_arg_same
; CHECK-NEXT: %2 = bitcast i32* %0 to float*
; CHECK-NEXT: tail call void @float_ptr_arg_same(float* %2)
; CHECK-LABEL: @int_ptr_null
; CHECK-NEXT: tail call void @float_ptr_null()
; Used to satisfy minimum size limit
declare void @stuff()
; Can be merged
define void @float_ptr_null() {
call void asm "nop", "r"(float* null)
call void @stuff()
ret void
}
define void @int_ptr_null() {
call void asm "nop", "r"(i32* null)
call void @stuff()
ret void
}
; Can be merged (uses same argument differing by pointer type)
define void @float_ptr_arg_same(float*) {
call void asm "nop", "r"(float* %0)
call void @stuff()
ret void
}
define void @int_ptr_arg_same(i32*) {
call void asm "nop", "r"(i32* %0)
call void @stuff()
ret void
}
; Can not be merged (uses different arguments)
define void @float_ptr_arg_different(float*, float*) {
call void asm "nop", "r"(float* %0)
call void @stuff()
ret void
}
define void @int_ptr_arg_different(i32*, i32*) {
call void asm "nop", "r"(i32* %1)
call void @stuff()
ret void
}